clipped from: ubuntuforums.org   
HOWTO: Install the NVIDIA driver on ANY stable version of Ubuntu

If you want to install the Nvidia driver Nvidia in Ubuntu you can follow one of this guides (according to the release of Ubuntu which you are using):

cat /etc/lsb-release

if you have no idea of which version of Ubuntu you are using, type:





Another way to install the latest version of the Nvidia driver is that of using my script "Envy":
http://albertomilone.com/nvidia_scripts1.html

NOTE: Envy is not supported by Ubuntu in any way and you should use it at your risk.